stoplight
/ˈstoʊplʌɪt/Definitions
1. noun
A traffic signal that controls the flow of vehicles at an intersection, typically consisting of red, yellow, and green lights.
“The driver stopped at the stoplight before turning onto the main road.”
2. verb
To control or regulate the flow of traffic at an intersection with a traffic signal.
“The city will stoplight the new intersection to prevent accidents.”